Nielsen, P. J., & Weltlinger, S. (2009). "I've never regretted being a German Jew": Siegmund Weltlinger and the Re-establishment of the Jewish Community in Berlin. Year Book / Leo Baeck Institute.

Nielsen, Philipp J., and Siegmund Weltlinger. ""I've Never Regretted Being a German Jew": Siegmund Weltlinger and the Re-establishment of the Jewish Community in Berlin." Year Book / Leo Baeck Institute 2009.

Nielsen, Philipp J., and Siegmund Weltlinger. ""I've Never Regretted Being a German Jew": Siegmund Weltlinger and the Re-establishment of the Jewish Community in Berlin." Year Book / Leo Baeck Institute, 2009.